# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/806933011:0204
# Permalink to this reading: https://leibnizlegible.com/page/806933011:0204?run=74
# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0204
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=806933011&page=204
# Source image: https://digitale-sammlungen.gwlb.de/content/806933011/jpgs/default/00000204.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 109 lines, status machine
# Lines: 109 recognised, mean confidence 0.89
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
# Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text.
# Wording rule: say "the machine reads it as …", never "Leibniz wrote".
# After the first blank line: the recognised lines in reading order, one per line.

For ihe very preac Rariry oF rhe Fails of C0-) che Rarefaction ot rhe Marrer in the Aimolphere
mets may be concluded by che fx d Scars (0 plain- ac the rime oF the Peribelion. Smonk, lairt he
ly appearine chroyeh them, a5 Wve find they do
in a Chimney ascends up by che ipulie ot che
The Aemolphere ot our Farrh Minino wirh che Air in which ir swims or fioas: And dir rarity
Suns Lighr, chouxh perhaps irs chicknels be bur by Fleat alcends by che diminurion ot iis Specitich
à seu Miles, vec quice exringuisties allche Lishir ot Grariry, rakine ihe Smoak and carryirB ic up a
ehie six d Scars, and obseures rhie Moon it selt, lons wich it. Why Mould ner chié d ait ol a Cimer
Whereas cheurimense chichness ot rhe Lail ot a C0-
be, atter che lame manner, surpoled 1o be raised
m:t, plluscraced as our Arinolxtiere is by rtie Rays by che Sun d’ for che Sun- Beanii do nor agitate a.
oEchesun, ill permic che (mallest six d Stars c0 ny Mediums wwtrich chey pals chroveh, bur ery
be seen chroueh ir wichour any diminurion ot cheis by Reffexion and Retiaction. Lhe Ressectine
Briehiness
And che Fails OE most Comets have no preatet
Parricles beins made warm by rhis Action de
varm che Acher wich which cher asc compound.
aSplendor than che Surbeams exhibir intien re. ed. This Acher (or Wharerer you will call ii
Rected trom a Scream ol Mores, Dust, (30. in a beins rarified by che Elear communicated 10 ii
darken d Room os bur ore ox ro Inches in chiek- and havins irs Specisick Graviry by which ic de
nelS.
(cended romards che sun belore, non diministed
Ac wohac rime he Vapour alcends rom ehe by chis Raretaction, alcenus and carries plens
Flead rorhe Excremicy ot ihe Pail, may be almost wich ic chose RcRectins Parricles oF wtich che
discorered by dramine onty a Riphe Linc From Tail of a Coniet is compoled.
che end of chie Pail io che dun, and chen norins
the place where chac Riphr Line curs ihe Traje-
ctoer: For che Vapour in che excremiey ot che
Toche A(cent of chele Vapours, ic conducesthar
they are carried by 2 circular Morion round che
Sun, and consequenrly, endearour ro recede trom
Tait, it ic alcend in a Rishir Line trom che Sun, che Sun, While che Armolphere ot che sun, and
will begin ils ascent ar checime when che lead ot che Macrer oE che Llearens dorh cirher really rest
cheComet is in che place ot incersection.
Bur indeed che Vapour dorh nor ascend in a Rixhe
or elle beins moved wich no orter Morion chan
Wwhac chey hare trom che Suns Circumrorarion
Line trom ehe Sun, bur by rerainins che Morion al are moved verr Rowly. Thele are che Caules o
rhe Comet which ir had betore irs ascent, and com
che Alcene oF Vapours inco rhe Tails ol Comets
poundins ic wich che Mocion oFirs Alcent, ic alcends when chey are wichin che Contines of che sun
obliquely; Wheretore ic will be a cruer Solurion where cheir Orbirs are more curred, and where
of rhie Problem, eo suppole rhe Righe Line wtrich Comets beins wichin che Denser, and cheretore
incersects che Orbir, eo be parallel ro che sensch hearier Armosphere ot the Sun hare cheir Tails ot
Ot the Pait, os racher (Because oF che Curvilinear
rhe greacest Lensch. For che Fails which are non
Mocion ot che Comets) char ic diverge trom che produced by preserrins cheir oon Morion, and ac
Line oF che Tail. By chis means I tound char che
Vapour irhich as in che excremiey of che Tail,
Fan. 25. bexan ro alcend trom the Fead betore
che lame rime pravicarins comards che Sun, vill
move abour him in Elliples, likre cheir Fleads.
and by chac Morion will alvars accompany and
Occember IY, and cheretore had casen up more trecly adhere ro cheir leads: For che Graviry ol
chan 45 Days in ies Alcemr: Bur aI char lon
che Vapours rowards che Sun, will no niore cause
Fail wrhich appeared Decemb. 10. ascended in chethe Tails of Comers ro Forlake cheir Fleads and 1o
space ofchoservo Days, Whichuvere rhen just past
ince iIS Peribelion; Wheretore che Vapour ac che
beginnins. When che comet was near ehe sun a
fall donn romards che sun, chan che Gravicy ol
che Hleads can make rhem Fail of trom cheir l’ails
By cheir common Graviry chey vould cirher fall
Donn co rhe Sun rogether, or De rogether retar
scended prodixioully Cwitc, and alcerwards conci-
nued co alcend wirh a Norion recarded by rhe ded in cheir ascenc, and cheretore this Gravier
Graviey oF che Parricles, and by char ascene en-
creased che lenoch ot ihe Tail: Bur ihe Lail. 25
lons as ir appeared, constted slmo eII ot. thav
Vapour exhich alcended irom che rime of the Peri-
belion: and c aee te u alcendea and
doch by no means hinder bur chac che Feads and
Fails OF Comers may receive and ierain any Positi
on co one anocher, Which cicher che abore men-
tioned Causes, or any ocher may produce
Thele Fails cheretore which are thus produced
composed rhe Bounds of, ihe Pail, did noc vanis in che Perihelions oE Comets, will 80 oA alone virt
ill ic w25 borh r00 far of rhe sun eo be illuminq.
cheir Fleads into remorely distane Regions, and
red by him, and of us, 1o be riliblo. Hence also trom chence, cicher ich rhe Comets chemlelres
ehe Fails aE Coens wrhich are Morrer do nor a
cend wich 2 quick and concinual Mocion trom che
Elead, and etien prelenly ranim and disappears
buc are permanent Columns ot Vapours and lixtra
recurn again co us atrer a lone series of Pears; op
racher beins chere rarihied ranis quire away b
lations, Pachered trom the flead by 2 very sencle
Aocion, and in a preat space oF Time; which rerby
lirrle and lirrle: For oftervards in che descene ol
cheir Hleadscomards the Sun, lome licele Monr Taile
oughr graduallr and Aowlr eo be produced from
the Fleads, irhich atrermards in che Peribetions ol
parriciparins of char Morion oF rheir Fleads which ucti Comets 25 descend donn into the Suns AC
thes had ac chebepinnins; chey conrinue casils ro molphere must necds be immensely encrealed;
more alons wich cheir Fleads chrouph ehe Celesti. For che Vapours in chole tree Spaces will continu.
al Resions. Andtrom hence ic may asain becon. ally be raritied and dilaced, wrhence ic comes to
rer chac hal.any pover ot Remitiance ot  Phuch broader chan chac end nexe the Flead ot che
Aance in A, Ance noc es ene tances ana CComet
eluded, ac  eaten a    MalPaIS, chac che Pxcremicy ot the Tail is alvaye
mers chemletres, duceven luch very rare Bouls
Cor 2 vast While cogether.
This excellene Auchor lurposes M ent et
And ic appears aprecable enouph ro ReaIon 10
as the Tails of Comets, can boch move elere very Suxpole, thac chose Vapours which are thus dilared
freely and svisily, and also conrinue rhac  (Latied, and aittuled chroughour all the Celestial
Resions, may by lierle and licele by cheir ownpro-
PEF LFAVICY DC acrracted donn eo che Planets and
polo lio  Lam d comers ed d lalled by become incerminsted vit chcie smitel
L6